arch/arm/mm/pabort-v7.S

   1 #include <linux/linkage.h>
   2 #include <asm/assembler.h>
   3
   4 /*
   5  * Function: v7_pabort
   6  *
   7  * Params  : r2 = pt_regs
   8  *         : r4 = address of aborted instruction
   9  *         : r5 = psr for parent context
  10  *
  11  * Returns : r4 - r11, r13 preserved
  12  *
  13  * Purpose : obtain information about current prefetch abort.
  14  */
  15
  16         .align  5
  17 ENTRY(v7_pabort)
  18         mrc     p15, 0, r0, c6, c0, 2           @ get IFAR
  19         mrc     p15, 0, r1, c5, c0, 1           @ get IFSR
  20         b       do_PrefetchAbort
  21 ENDPROC(v7_pabort)